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2140992000 = 293453759
BaseRepresentation
bin111111110011100…
…1111001000000000
312112012122122220000
41333213033020000
513341043221000
6552240520000
7104025063120
oct17747171000
95465578800
102140992000
119a9596a84
124b9020000
13281741094
141644bac80
15c7e63000
hex7f9cf200

2140992000 has 800 divisors, whose sum is σ = 9268871040. Its totient is φ = 481075200.

The previous prime is 2140991999. The next prime is 2140992011. The reversal of 2140992000 is 2990412.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36287971 + ... + 36288029.

Almost surely, 22140992000 is an apocalyptic number.

2140992000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140992000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4634435520).

2140992000 is an abundant number, since it is smaller than the sum of its proper divisors (7127879040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2140992000 is an frugal number, since it uses more digits than its factorization.

2140992000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2140992000 is about 46270.8547576117. The cubic root of 2140992000 is about 1288.8578316381.

The spelling of 2140992000 in words is "two billion, one hundred forty million, nine hundred ninety-two thousand".